CN214276597U - Two-row straight U-shaped finned tube heat exchanger assembly - Google Patents
Two-row straight U-shaped finned tube heat exchanger assembly Download PDFInfo
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- CN214276597U CN214276597U CN202023114629.9U CN202023114629U CN214276597U CN 214276597 U CN214276597 U CN 214276597U CN 202023114629 U CN202023114629 U CN 202023114629U CN 214276597 U CN214276597 U CN 214276597U
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Abstract
The utility model provides a two rows of straight U type finned tube exchanger subassemblies, including axial fan, top frame, U type finned tube exchanger's top is equipped with top frame, and top frame's top is equipped with axial fan, U type finned tube exchanger's bottom is equipped with coil pipe support apron, and U type finned tube exchanger's quantity is two, and the middle and last shrouding of U type finned tube exchanger both sides are bolted connection with lower shrouding, and U type finned tube exchanger's bottom is equipped with link under the coil pipe. A two rows of straight U type finned tube heat exchanger subassemblies, can greatly reduced fan windage, make the finned tube carry out abundant heat transfer with the fan air inlet. Condensation heat is timely dissipated during refrigeration, low-pressure refrigerant can be quickly evaporated during heating, the air quantity can be quickly circulated, the formation of a frost layer can be effectively delayed, and when defrosting is needed, the two rows of coil pipes can quickly remove the frost layer and are convenient to maintain.
Description
Technical Field
The utility model belongs to the heat exchanger field especially relates to a two rows of straight U type finned tube heat exchanger subassemblies.
Background
The finned tube heat exchanger is one of the main components of the air cooling module unit, and plays the key roles of condensation heat dissipation during refrigeration and evaporation heat absorption during heating in operation. The specifications of the common air cooling modules in the current market generally comprise two specifications of a 20RT dual-compressor dual system and a 40RT dual-compressor dual system, and along with the gradual increase of the number of main stream compressors, the 20RT air cooling modules are gradually changed from the original two 12HP dual-compressor dual systems to a single 25HP compressor single system. And the corresponding finned tube heat exchanger is also correspondingly replaced by a single system. Most of finned tube heat exchangers for common air cooling modules are V-shaped or inverted M-shaped at present, but the heat exchangers with the structures often have the following problems:
the heat exchange efficiency is not high: the V-shaped or inverted M-shaped finned tube heat exchanger has few air inlet channels and is generally a common air system with air inlet on two sides, so that the heat exchange efficiency is not high. Under the same heat exchange area, because a single heat exchange tube of the V-shaped or inverted M-shaped finned tube heat exchanger is a straight tube, the length of the heat exchange tube is longer than that of the U-shaped finned tube heat exchanger, and therefore, the occupied space area is larger, and the installation and transportation of the air-cooled module unit are not facilitated. Moreover, the finned tube heat exchanger is too long to be favorable for the selection of the fan: if the double fans are used, on one hand, the cost is increased, and on the other hand, the production and installation procedures are increased, and the complexity of unit control resource points and control logic is increased. If use single fan, can lead to fan panel length overlength, probably lead to the fan phenomenon such as appearing rocking, shaking when moving, and then influence the heat transfer performance of unit.
The solution to the above problem is generally that the air-cooled modular unit adopts a straight U-shaped finned tube heat exchanger with an independent air system. Through U-shaped bending of the heat exchange pipes, the size of the finned pipe heat exchanger in the length direction is reduced on the premise of ensuring the width direction to be unchanged, and therefore the occupied area of the air cooling module unit is reduced. In addition, six independent air inlets of the single-system U-shaped finned tube heat exchanger improve the heat exchange efficiency of the traditional V-shaped or inverted M-shaped finned tube heat exchanger to some extent. The straight U-shaped finned tube heat exchanger commonly used in the market at present is generally three rows or four rows of heat exchange tubes, has large wind resistance and poor heat exchange performance, and is easy to cause the frosting condition of a coil pipe under the working condition of low-temperature heating; if the defrosting is not carried out in time or condensed water generated by the defrosting cannot be drained in time, a large amount of frost at the bottom of the coil pipe is caused to form frozen ice, and the coil pipe can be frozen and cracked in serious cases, so that the unit cannot run normally. Moreover, the left sealing plate and the right sealing plate of the general U-shaped finned tube heat exchanger are integrated and are not easy to disassemble; once disassembled, the structural stability of the U-shaped coil pipe is affected, and the installation of the peripheral protective net is not facilitated. The air pipe assembly and the liquid pipe assembly of the U-shaped finned tube heat exchanger are welded in the inner space of the heat exchanger, so that the production is not easy to operate, the visual field is poor, and the pipeline connecting part is not welded fully and leakage is caused. The U-shaped finned tube heat exchanger is not provided with fixed supporting points in the middle except for metal plates on two sides, so that the U-shaped finned tube heat exchanger is not easy to hoist during production and splicing; poor hoisting points or hoisting positions and modes can cause scratch of fins or damage of coil pipes.
Disclosure of Invention
In view of this, the utility model aims at providing a two rows of straight U type finned tube heat exchanger subassemblies to it is not high to solve heat exchange efficiency: the V-shaped or inverted M-shaped finned tube heat exchanger has few air inlet channels, generally is a common air system with air inlet on two sides, and causes the problem of low heat exchange efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a two rows of straight U type finned tube heat exchanger subassemblies, includes axial fan, top frame, U type finned tube heat exchanger's top is equipped with the top frame, and the top of top frame is equipped with axial fan, U type finned tube heat exchanger's bottom is equipped with coil pipe support apron, and U type finned tube heat exchanger's quantity is two, and the middle shrouding and last shrouding are bolted connection under and with U type finned tube heat exchanger both sides, and U type finned tube heat exchanger's bottom is equipped with link under the coil pipe. The fan is in the form of an EC fan or a double-speed fan; in order to ensure that the fan panel is stressed uniformly and stably, the length/width ratio of the fan panel is less than or equal to 1.4, and the minimum distance between the fan cylinder and the edge of the panel is more than or equal to 120 mm.
Furthermore, the bottom support frame is arranged on the coil pipe support cover plate, so that the stability of the device is enhanced, and the device is more stable.
Furthermore, the U-shaped finned tube heat exchanger is provided with a buckle, and the coil fixing frame is provided with an opening matched with the buckle.
Further, be equipped with protruding drape, first edging hole, second edging hole, wash port and fan entrance hole on the coil pipe supports the apron, protruding drape sets up around the coil pipe supports the apron, and first edging hole and second edging hole set up in the inside of protruding drape, and fan entrance hole sets up in first edging hole and second edging hole outside.
Further, the heat exchange tube of the U-shaped finned tube heat exchanger is an internal thread heat exchange tube with the diameter of 7mm or 9.52mm or the same category.
Further, the fin type of the hairpin finned tube heat exchanger 3 was a flat sheet/corrugated sheet blue hydrophobic aluminum foil containing 14/15 fins per inch (25.4 mm). The heat exchange tubes of the straight U-shaped finned tube heat exchanger are internal thread heat exchange tubes with the diameter of 7mm/9.52mm or the same category; the fin type of the straight U-shaped finned tube heat exchanger is a flat sheet/corrugated sheet/windowed sheet blue hydrophobic aluminum foil, and the sheet distance is 13F/14F/15F per inch; the straight U-shaped finned tube heat exchanger is provided with two rows of heat exchange tubes, two bends of each U-shaped heat exchange tube are 90 degrees, the lengths of two bent edges are the same, and in addition, in order to ensure the bending effect of the short edges of the U-shaped heat exchange tubes, the lengths of the straight tube sections of the two bent short edges are more than or equal to 190 mm.
Furthermore, the coil end plate is made of an aluminum-plated zinc plate, is not sprayed, is determined according to the actual weight of the coil, is generally 1.5mm or 2mm in thickness, and is manufactured by bending and punching.
Furthermore, the upper sealing plate and the lower sealing plate are made of hot-dip galvanized steel plates and are sprayed with red color.
Further, the coil pipe fixing frame, the auxiliary hollow-out plate and the coil pipe supporting cover plate are made of hot-dip galvanized steel plates, and the spraying color is orange-peel white.
The upper sealing plate and the lower sealing plate of the left coil pipe and the right coil pipe of the U-shaped finned tube heat exchanger are made of hot galvanized steel plates, so that the effect is prominent, and the spraying color is red; the upper sealing plate and the lower sealing plate are independently detachable and do not influence each other; but in order to ensure the air tightness of the coil pipe. The gap between the joint parts of the upper sealing plate and the lower sealing plate of the coil pipe is less than or equal to 2 mm; the auxiliary hollowed-out plate, the coil lower connecting frame and the coil fixing frame of the U-shaped finned tube heat exchanger are made of hot-dip galvanized steel plates, and the hot-dip galvanized steel plates are sprayed with orange-peel white paint and are 2mm thick;
the coil pipe supporting cover plate of the U-shaped finned tube heat exchanger is formed by bending, punching, edge drawing and embossing a whole sheet metal; in order to ensure the supporting effect, the diameter of the convex hull die is more than or equal to 40mm, and the height of the convex hull die is more than or equal to 10 mm; the number of other drain holes and the sizes and positions of the inlet apertures of the air pipe and the liquid pipe can be determined according to different coil pipe loop designs; the bottom support frame of the U-shaped finned tube heat exchanger is formed by locking and splicing 7 cross beams through bolts; the purpose is to support the coil pipe support cover plate and the upper structure of the U-shaped finned tube heat exchanger; in order to ensure the supporting effect, the bottom supporting frames are made of hot-dip galvanized steel plates with the thickness of 2mm by bending, punching and spraying and then splicing; the required bottom support frame is not limited to that described in this patent and can be designed according to the specific coil structure, unit form, and the purpose is exactly in order to support the U-shaped coil assembly of upper portion, guarantee overall structure's fastness.
The U-shaped finned tube heat exchanger left and right middle support frames are formed by bending, punching and spraying metal plates, and are used for connecting the upper top frame and the bottom support frame to ensure the stability of the U-shaped heat exchanger assembly structure; since this member only serves to connect and fix the upper top frame and the bottom support frame, a 1mm hot-dip galvanized steel sheet may be used.
Compared with the prior art, two rows of straight U type finned tube heat exchanger subassemblies have following advantage:
the two-row straight U-shaped finned tube heat exchanger assembly adopts the single fan setting, and is simple to control; the two rows of heat exchange tubes with six air inlets can greatly reduce the wind resistance of the fan, so that the finned tubes and the air inlets of the fan can fully exchange heat. The refrigerant can help to dissipate the condensation heat in time during refrigeration, and can ensure the rapid evaporation of the low-pressure refrigerant during heating. Two rows of coil pipes can guarantee the quick circulation of amount of wind, can effectively delay the formation on frost layer. When the unit runs for a long time under the high humidity condition and needs defrosting, the two rows of coil pipes can quickly remove the frost layer. And the coil pipe supporting cover plate with a special structural design can timely drain away the condensed water, so that the condensed water is prevented from forming frozen ice at the bottom of the coil pipe to further deteriorate the heat exchange of the coil pipe. Additionally, the utility model discloses shrouding and supplementary fretwork board about the top frame, bottom sprag frame, removable fraction coil pipe of optimal design when guaranteeing coil pipe stable structure, also are favorable to the production equipment, welding maintenance, the hoist and mount transportation of coil pipe.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is an assembly view of a two row straight finned U-tube heat exchanger package according to an embodiment of the present invention;
FIG. 2 is an exploded view of a two row straight finned U-tube heat exchanger assembly according to an embodiment of the present invention;
FIG. 3 is a view of the coil support cover plate of a two row straight U-shaped finned tube heat exchanger assembly of the present invention;
figure 4 is the utility model discloses a local view of drape over mould on coil pipe support apron of two rows of straight U type finned tube heat exchanger subassemblies.
Description of reference numerals:
1-an axial flow fan; 2-a top frame; 3-U-shaped finned tube heat exchanger; 4-coil support cover plate; 4-1-convex covering mould; 4-2-first edge pulling holes; 4-3-a second edge pulling hole; 4-4-a drain hole; 4-5-a fan wire inlet hole; 5-a bottom support frame; 6-auxiliary hollowed-out plate; 7-upper closing plate; 8-lower sealing plate; 9-a coil pipe lower connecting frame; 10-a middle support frame; 11-coil pipe fixing frame.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a two rows of straight U type finned tube heat exchanger subassemblies, includes axial fan 1, goes up top frame 2, U type finned tube heat exchanger 3, the top of U type finned tube heat exchanger 3 is equipped with top frame 2, and the top of going up top frame 2 is equipped with axial fan 1, the bottom of U type finned tube heat exchanger 3 is equipped with coil pipe support apron 4, and the quantity of U type finned tube heat exchanger 3 is two, and the middle 7 and last shrouding 8 of shrouding are bolted connection under with last shrouding of 3 both sides of U type finned tube heat exchanger, and the bottom of U type finned tube heat exchanger 3 is equipped with under the coil pipe link 9, and the surface of going up shrouding 7 and shrouding 8 is equipped with supplementary fretwork board 6, and upward shrouding 7 is bolted connection with the coil pipe end plate. After the U-shaped finned tube heat exchanger 3 is manufactured, a bottom supporting frame 5 is assembled firstly in order to support the installation of the U-shaped finned tube heat exchanger. The bottom supporting frame 5 is formed by locking and splicing 7 cross beams through bolts; comprises 4 corner beams and 3 middle supporting beams. In order to ensure the supporting effect, the bottom supporting frames 5 are made of hot-dip galvanized steel plates with the thickness of 2mm by bending, punching, spraying and splicing; the required bottom support frame 5 is not limited to the one described in this patent, and can be designed according to the specific coil structure and the unit form, so as to support the U-shaped coil assembly at the upper part and ensure the firmness of the whole structure. The heat exchanger assembly has the advantages of high heat exchange efficiency, simple control, small occupied area, easy production, installation, maintenance, lifting and the like. Firstly, two rows of internal thread heat exchange copper tubes are inserted into fins, then the fins are made into a single U-shaped fin heat exchange tube after the processes of tube expansion, bending and the like, and then the two rows of U-shaped fin heat exchange tubes and the coil end plate 12 are fixed through self-tapping screws to make the single U-shaped fin tube heat exchanger 3. The utility model discloses do not give concrete branch liquid return circuit and knockout (collector tube) subassembly, the design of collection minute pipe subassembly, this point can design according to the mounted position direction of unit actual function characteristics (heat pump or single cold) and coil pipe.
The bottom of the coil pipe supporting cover plate 4 is provided with a bottom supporting frame 5, so that the stability of the device is enhanced, and the device is more stable.
The U-shaped finned tube heat exchanger 3 is provided with a buckle, the coil fixing frame 11 is provided with an opening matched with the buckle, and the middle parts of the two rows of U-shaped heat exchange tubes are softer, so that the coil fixing frame 11 is required to clamp and fix the U-shaped finned tube heat exchanger, and then the U-shaped finned tube heat exchanger is fixedly connected with a corresponding frame, so that the stability of the middle parts of the U-shaped heat exchanger during operation and transportation of a unit can be ensured.
The coil pipe supporting cover plate 4 is provided with a convex covering die 4-1, a first edge-pulling hole 4-2, a second edge-pulling hole 4-3, a water discharging hole 4-4 and a fan inlet hole 4-5, the convex covering die 4-1 is arranged on the periphery of the coil pipe supporting cover plate 4, the first edge-pulling hole 4-2 and the second edge-pulling hole 4-3 are arranged inside the convex covering die 4-1, the fan inlet hole 4-5 is arranged outside the first edge-pulling hole 4-2 and the second edge-pulling hole 4-3, figure 4 is a partial view of the convex covering die, in order to ensure the supporting effect and the gap between a U-shaped coil pipe and a bottom metal plate, ensure that condensation water of the U-shaped coil pipe can be discharged in time during defrosting, avoid frozen ice formation at the bottom of the U-shaped coil pipe under a low-temperature working condition, the diameter of the convex covering die 4-1 is required to be more than or equal to 40mm, and the height is more than or equal to 10mm, the water leakage area of all the drain holes 4-4 between any two convex covering molds 4-1 is required to be not less than 60% of the vertical projection area of the U-shaped coil pipe, and the diameters of the drain holes 4-4 can be calculated and distributed according to the actual coil pipe design; the edge-pulling heights of the first edge-pulling hole 4-2 and the second edge-pulling hole 4-3 are not less than 10mm, so that the problem that the pipe wall is abraded and broken due to direct collision with a metal plate when a gas collecting pipe and a liquid distributing pipe of the coil pipe are assembled is avoided. The fan wiring can be arranged along the bottom support frame 5 after passing through the fan junction box from the top of the axial flow fan 1 and passing through the wire inlet holes 4-5. The special requirement is that the junction box of the axial flow fan 1 and the wire inlet hole 4-5 are on the same side of the U-shaped heat exchange tube.
The heat exchange tube of the U-shaped finned tube heat exchanger 3 is an internal thread heat exchange tube with the diameter of 7mm or 9.52mm or the same category.
The fin type of the finned hairpin tube heat exchanger 3 is a flat sheet/corrugated sheet blue hydrophobic aluminum foil containing 14/15 fins per inch (25.4 mm).
The coil end plate is made of an aluminum-plated zinc plate, spraying is not carried out, and the thickness of a metal plate is determined according to the weight of an actual coil and is generally 1.5mm or 2 mm.
The upper sealing plate 7 and the lower sealing plate 8 are made of hot-dip galvanized steel plates and are sprayed with red color.
The coil fixing frame 11, the auxiliary hollow-out plate 6 and the coil supporting cover plate 4 are made of hot galvanized steel plates, and the spraying color is orange-peel white.
The coil lower attachment frame 9 is mounted to the coil support cover plate 4. And then, the coil end plate of the U-shaped finned tube heat exchanger 3 is hung and vertically arranged on the coil support cover plate 4, and before installation, the coil fixing frame 11 needs to be clamped on the U-shaped finned tube heat exchanger 3. The coil end plate and the coil lower connecting frame 9 are fixed through bolts, and the coil fixing frame 11 and the coil supporting cover plate 4 are fixed. In this way, the lower half of the finned U-tube heat exchanger 3 is substantially fixed to an assembly of the coil support cover 4 and the base support frame 5. Next, the upper closure plate 7 needs to be bolted to the coil end plate. From there, the upper half of the U-coil is also secured. Similarly, the coil fixing frame 11 is firstly clamped on the U-shaped finned tube heat exchanger 3. Then, the upper top frame 2 is fixed to the upper sealing plate 7 by bolting, and the coil pipe fixing frame 11 is fixed to the upper top frame 2. Next, the axial flow fan 1 may be mounted on the upper top frame 2. In order to ensure the stability of the whole heat exchange assembly, the middle support frame 10 is respectively fixed with the upper top frame 2 and the bottom support frame 5 through bolts.
After the steps are finished, the U-shaped finned tube heat exchanger assembly is basically assembled, and then the U-shaped heat exchanger assembly and a pipeline system of an air cooling module and other machine set sheet metals can be assembled by hoisting mesh enclosures of the axial flow fan 1 or two ends of the upper top frame 2. After the welding of the gas collecting pipe and the liquid collecting pipe on the inner side of the U-shaped heat exchanger is finished, the left lower sealing plate 8 and the right lower sealing plate 8 are fastened with the coil end plate 12. And finally, installing an auxiliary hollowed-out plate 6, and installing a peripheral structure such as a protective net. When the air-cooled module unit needs to be overhauled, the auxiliary hollowed-out plate 6 can be detached at first, and then the sealing plate 8 is detached without influencing the structural stability of the U-shaped coil pipe, so that the U-shaped coil pipe is convenient and visual.
The utility model provides a two rows of straight U type finned tube heat exchanger subassemblies. The single fan is adopted for setting, and the control is simple; the two rows of coil pipes with six air inlets can greatly reduce the wind resistance of the fan, so that the finned pipes and the air inlets of the fan can fully exchange heat. Two rows of coil pipes can guarantee the quick circulation of amount of wind, can effectively delay the formation on frost layer. When the unit runs for a long time under the high humidity condition and needs defrosting, the two rows of coil pipes can quickly remove the frost layer. The coil pipe supporting cover plate with the special structural design can timely drain away the condensed water, and further avoid the condensed water from forming frozen ice at the bottom of the coil pipe to further deteriorate the heat exchange of the coil pipe.
Additionally, the utility model discloses shrouding and supplementary fretwork board about the top frame, bottom sprag frame, coil pipe mount, the removable fraction coil pipe of optimal design also make things convenient for its hoist and mount, welding and maintenance when guaranteeing coil pipe stable structure.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a two rows of straight U type finned tube heat exchanger subassemblies which characterized in that: including axial fan (1), top frame (2), U type finned tube heat exchanger (3), top frame (2) set up in the top of U type finned tube heat exchanger (3), and axial fan (1) sets up in the top of top frame (2), the bottom of U type finned tube heat exchanger (3) is equipped with coil pipe support apron (4), and the quantity of U type finned tube heat exchanger (3) is two, is bolted connection with last shrouding (7) and lower shrouding (8) between U type finned tube heat exchanger (3) both sides, and the bottom of U type finned tube heat exchanger (3) is equipped with link (9) under the coil pipe, and the surface of going up shrouding (7) and shrouding (8) down is equipped with supplementary fretwork board (6), and upward shrouding (7) are bolted connection with the coil pipe end plate.
2. A two row straight finned U-tube heat exchanger assembly according to claim 1 wherein: the bottom of the coil pipe supporting cover plate (4) is provided with a bottom supporting frame (5).
3. A two row straight finned U-tube heat exchanger assembly according to claim 1 wherein: the U-shaped finned tube heat exchanger (3) is provided with a coil fixing frame (11), and the coil fixing frame (11) is provided with an intermediate support frame (10).
4. A two row straight finned U-tube heat exchanger assembly according to claim 1 wherein: the coil pipe supporting cover plate (4) is provided with a convex covering die (4-1), a first edge pulling hole (4-2), a second edge pulling hole (4-3), a water discharging hole (4-4) and a fan wire inlet hole (4-5), and the convex covering die (4-1) is arranged on the periphery of the coil pipe supporting cover plate (4).
5. A two row straight finned U-tube heat exchanger assembly according to claim 1 wherein: the heat exchange tube of the U-shaped finned tube heat exchanger (3) is an internal thread heat exchange tube with the diameter of 7mm or 9.52 mm.
6. A two row straight finned U-tube heat exchanger assembly according to claim 1 wherein: the fin type of the U-shaped finned tube heat exchanger (3) is a flat sheet or corrugated sheet blue hydrophobic aluminum foil, and each inch of the fin type comprises 14 fins or 15 fins.
7. A two row straight finned U-tube heat exchanger assembly according to claim 1 wherein: the coil end plate is made of an aluminum-plated zinc plate, is not sprayed and has a thickness of 1.5mm or 2 mm.
8. A two row straight finned U-tube heat exchanger assembly according to claim 1 wherein: the upper sealing plate (7) and the lower sealing plate (8) are made of hot-dip galvanized steel plates and are red in spraying color.
9. A two row straight finned U-tube heat exchanger assembly according to claim 3 wherein: the coil fixing frame (11), the auxiliary hollow-out plate (6) and the coil supporting cover plate (4) are made of hot galvanized steel plates, and the spraying color is orange-peel white.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023114629.9U CN214276597U (en) | 2020-12-22 | 2020-12-22 | Two-row straight U-shaped finned tube heat exchanger assembly |
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| CN202023114629.9U CN214276597U (en) | 2020-12-22 | 2020-12-22 | Two-row straight U-shaped finned tube heat exchanger assembly |
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| CN214276597U true CN214276597U (en) | 2021-09-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127257A (en) * | 2022-06-30 | 2022-09-30 | 山东和同信息科技股份有限公司 | Non-uniform arrangement structure and method for L-shaped finned tube heat exchanger of air source heat pump |
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2020
- 2020-12-22 CN CN202023114629.9U patent/CN214276597U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127257A (en) * | 2022-06-30 | 2022-09-30 | 山东和同信息科技股份有限公司 | Non-uniform arrangement structure and method for L-shaped finned tube heat exchanger of air source heat pump |
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